One-piece stainless steel crimp hose fittings with integrated ferrule and body for high-pressure hydraulic hose connections

QC Hydraulics, Stainless Steel Hydraulic Crimp Hose Fittings Manufacturer Since 1999

QC Hydraulics manufacture and supply stainless steel crimp hose fittings for wholesalers, distributors, hose suppliers and OEMs worldwide. We aim to solve customer’s problems and grow customer’s market share. Let QC Hydraulics help you achieve business success.

QC Hydraulics, A Reliable Supplier of Stainless Steel Hydraulic Crimp On Hose Fittings in China

QC Hydraulics designed hydraulic hose one piece crimp fittings for hydraulic hoses and can also be crimped on a wide range of braided and sprial hoses.

Thread connections include NPT/NPTF, JIC, SAE, ORB, ORFS, BSPP and metric threads, available in straight, 45 and 90º elbow hose fittings. Besides, we can also supply Code 61/ Code 62 flanges, tube stub ends, and other custom hose fittings are also available.

The raw materials include AISI 304(1.4401), AISI 316L(1.4404) & AISI 316Ti(1.4571).

QC Hydraulics is the ideal supplier to wholesaler, distributors and large contractors of stainless steel crimp hose fittings.

Product Specifications:

  • Size Range: 1/8″ to 2″
  • Compatibility: Parker and Eaton Winner
  • Standard: SAE, ISO, DIN, and JIS
  • Material Option: SS304, SS 316/316L, SS316Ti
  • Shape: straight, 45 & 90 degree elbows
  • End Connection: JIC female swivel, JIC male, NPT male, NPT male swivel, NPT female swivel, Metric female, ORB male, Code 61, 62
  • Use with Hoses: used on braided hydraulic hose, sprial hydraulic hose, thermoplastic hose, PTFE hose.
43 Series hydraulic hose fittings in stainless steel with crimp ferrule design for high-pressure hose assemblies

43 Series | Crimp Hose Fittings For Braided Hydraulic Hose

HY Series stainless steel hydraulic hose fittings with crimp ferrule design for high-pressure heavy-duty applications

HY Series | Crimp Hose Fittings For Braided & Thermoplastic Hose

BW Series stainless steel hydraulic hose fittings with crimp ferrule design for medium to high pressure applications

BW Series | Crimp Hose Fittings For Sprial Hydraulic Hose

71 73 Series heavy-duty stainless steel hydraulic hose fittings for high pressure applications

71 & 73 Series | Crimp Hose Fittings For 4 Wire Sprial Hydraulic Hose

91 Series stainless steel PTFE hose fittings for smooth bore and convoluted hoses in high temperature and chemical applications

91 Series | Crimp Hose Fittings For SAE R14 PTFE Hose

What Are One Piece Crimp Hose Fittings?

One-piece crimp hose fittings are hydraulic connectors made as a single unit (fitting + ferrule combined). They are crimped directly onto hoses, ensuring a fast, error-free, and leak-proof connection.

Benefits:

Easier and quicker to assemble

No risk of mismatching parts

Strong, consistent sealing

They’re widely used in hydraulic systems for construction, agriculture, and industrial machinery.

stainless barstock

Material Selection

QC Hydraulics’ one-piece crimp hose fittings are manufactured from premium-grade stainless steels, including SS 304, SS 316/316L, and SS 316Ti.

These high-performance alloys offer outstanding corrosion resistance, exceptional strength, and reliable operation even in the most demanding environments.

Every fitting is fully traceable to its original steel mill, and a material test certificate (MTC) can be provided upon request.

Features of One Piece Crimp Fittings

Our one-piece crimp hose fittings combine the hose end and ferrule into a single, integrated component.

  • Stronger, more reliable connections — eliminates weak points found in multi-piece fittings.
  • Superior leak prevention — fewer joints mean fewer potential leak paths.
  • Consistent, secure crimping — ensures uniform compression and long-lasting seals.
  • Faster, easier installation — no loose ferrules to align or assemble.
  • Enhanced durability — withstands vibration, pressure, and bending stress.
  • Lower inventory requirements — one part number simplifies stocking and logistics.
  • Clean, compact appearance — ideal for tight spaces and professional finishes.
Bite to wire hose fittings

Precision Manufacturing

QC Hydraulics has a strictly quality-controlled manufacturing system. Our stainless steel crimp hose fittings and related components are manufactured in accordance with international standards such as DIN/EN, ISO, SAE, BS, and JIS. QC Hydraulics has also gained ISO 9001:2015 certification.

At QC Hydraulics, all dimensions, threads, and tolerances for our stainless steel crimp hose fittings are strictly in accordance with the approved drawings. The quality of every item is rigorously monitored and enforced by our internal quality control department.

Application Industries

Stainless steel one piece crimp hose fittings for environments requiring corrosion resistance, hygiene, and long service life.

  • Marine & Offshore – Ship hydraulics, deck machinery, offshore platforms.
  • Food & Beverage – Hygienic liquid transfer and filling lines.
  • Chemical & Pharmaceutical – Acid/alkali and corrosive media handling.
  • Mining – Heavy-duty hydraulics in harsh conditions.
  • Oil & Gas – High-pressure systems with corrosive media.
  • Wind Power – Turbine pitch and yaw hydraulic systems.

QC Hydraulics, Your Premier Stainless Steel Hydraulic Hose Crimp Fittings manufacturer

QC Hydraulics is a leading manufacturer of stainless steel hydraulic hose fittings, hydraulic adapters, tube fittings and PTFE hose assembly for over 20 years. Our outstanding team, state of the art technology, strict quality control, strong production capacity as well as professional service, enable us enjoying a great reputation in domestic and overseas.

Our products are widely recognized by those global hydraulic & industrial wholesalers/distributors and OEMs in the fields of hydraulic, pneumatic, oil & gas, chemical, marine and shipbuilding etc. Besides, we are also doing OEM service for several of worldwide big brand manufacturers of hydraulic fittings, which greatly reduce their production costs, and help them win more market share.

Now QC Hydraulics become more and more popular in high quality market overseas. We always meet even exceed customer’s expectations. QC Hydraulics is a reliable and trusted supplier of wholesalers, distributors and brand manufacturers of hose and fittings.

  • State of The Art Facilities

  • Over 20 years’ Manufacturing Experience

  • Highly strict Quality Control & Inspection

  • Annual production capacity Over 4.5 million of fittings

Technical Support

QC Hydraulics has the capability to engineer, design and manufacture from a concept to the real products.

jic female 43 series fittings

Why Choose Us

State of The Art Facilities

We utilize state-of-the-art facilities and equipment to produce industry leading, quality stainless steel hydraulic fittings. Each facility supervisor has over 10 years of experience in the industry. Manufacturing, sales & technical support, warehouse, shipping, and quality control-have specific objectives that contribute to our overall goal of 100% customer’s satisfaction.

Zero Quality Issues

When you buy QC Hydraulics’ products, you are buying precision and reliability.In the hydraulic industry, where extreme pressures prevail, precision and accuracy are paramount. Our Quality Control Department follows strict Quality Assurance Program procedures that make certain our products meet your quality requirements. Besides, 3.1 material certificate available for each shipment to ensure you receive 100% right materials from us.

100% On-Time Delivery

With QC Hydraulics, you’ll have one less thing to worry about. We have maintained a 99.99% on-time delivery rate for 3 years in a row. That kind of consistency doesn’t just happen, we make it happen. Besides, we have the commonly used raw materials and accessories in stock that enable us make a very quick delivery time for the urgent orders.

Professional Service

As a professional manufacturer, our engineering department can provide technical service. Like new products designing, CAD drawings and technical advice. Our overseas sales department are 100% well trained with strong industry & product knowledge and service awareness, who can make a quick response within 24 hours to greatly improve the communication efficiency.

Global Clients:

QC Hydraulics’ worldwide customers includes big wholesalers, distributors, big brand manufacturers of hose and fittings, and OEMs. Meanwhile, we are looking for worldwide reliable partners to distribute the stainless steel hydraulic fittings under our brand. If interested, please feel free to contact us for further negotiation.

Testimonials: We Add Value to Our Clients

We generate results for our customers

“I always believe in QC Hydraulics’ quality. My quality manager and I visited QC Hydraulics in 2016. We were very impressed by their advanced facilities, strict quality control and inspection procedures. Besides, when I ask a drawing or technical support from QC Hydraulics, they always response me in time. So far, we have been working with QC Hydraulics for over 7 years, they never let me down. We would definitely continue to buy more hydraulic fittings from QC Hydraulics.“

Dorothee Jungeblodt , Germany

“I am very happy with the on time-delivery provided by QC Hydraulics and they are excellent in handling delivery requests every time. To ensure timely delivery, QC Hydraulics’ team have been working on effective arrangements and their service has a level of service that is well proven. The only issue is that sometimes their prices are a bit higher than other competitors, but overall, I would still choose QC Hydraulics because they offer fast response and always one-time delivery.“

David Michael , America

Frequently Asked Questions

Our stainless steel crimp fittings are suitable for both braided and spiral hydraulic hoses. For instance, our 43 Series and HY Series are primarily used with braided hydraulic hoses and thermoplastic hoses, while our BW Series is compatible with spiral hydraulic hoses.

Yes, our stainless steel one piece crimp fittings are designed to compatible with Parker and Eaton.

Our standard is dual SS 316/316L that conforms to both the 316 and 316L specifications.

SS 316 is known for its outstanding corrosion resistance and strength.

SS 316L is the low-carbon content of SS 316. The reduced carbon content minimizes the risk of carbide precipitation during welding, making it ideal for welded structures.

Yes, we do. When we develop a new hose fitting, we first make some hose assemblies to do impulse test before releasing to market.

However, we don’t do impulse test for every batch.

Of course, we could do impulse test if a customer has a request.

Sure, we accept OEM orders. We can laser mark your logo and part number on the fittings according to your specific requirements.

Sure, we can provide samples for your inspection and testing. We are confident that our fittings can pass your inspection and testing.

No, at present, we are focused on stainless steel fittings only. Because all our CNC lathe machines and equipment are designed for manufacturing stainless steel fittings.

Main materials include SS 304(1.4301), SS 316L(1.4404) & SS 316Ti(1.4571)

Consistent high quality

On-time delivery

Excellent service

Friendly compliant policy

Competitive price

Send us a message if you have any questions or request a quote.

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